DetectText

Detects text in the input image and converts it into machine-readable text.

Pass the input image as base64-encoded image bytes or as a reference to an image in
an
Amazon S3 bucket. If you use the AWS CLI to call Amazon Rekognition operations, you
must pass it as a
reference to an image in an Amazon S3 bucket. For the AWS CLI, passing image bytes
is not
supported. The image must be either a .png or .jpeg formatted file.

The DetectText operation returns text in an array of TextDetection elements, TextDetections. Each
TextDetection element provides information about a single word or line of text
that was detected in the image.

A word is one or more ISO basic latin script characters that are not separated by
spaces.
DetectText can detect up to 50 words in an image.

A line is a string of equally spaced words. A line isn't necessarily a complete
sentence. For example, a driver's license number is detected as a line. A line ends
when there
is no aligned text after it. Also, a line ends when there is a large gap between words,
relative to the length of the words. This means, depending on the gap between words,
Amazon Rekognition
may detect multiple lines in text aligned in the same direction. Periods don't represent
the
end of a line. If a sentence spans multiple lines, the DetectText operation
returns multiple lines.

To determine whether a TextDetection element is a line of text or a word,
use the TextDetection object Type field.

To be detected, text must be within +/- 90 degrees orientation of the horizontal axis.